kernel/profile: fix profile_init() section mismatch

profile_init() calls in to alloc_bootmem() on early initialization.  While
alloc_bootmem() is __init, the reference itself is safe in that it is
tucked below a !slab_is_available() check.  So, flag profile_init() as
__ref.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

kernel/profile.c

@@ -102,7 +102,7 @@ int profile_setup(char *str)
 __setup("profile=", profile_setup);
 
 
-int profile_init(void)
+int __ref profile_init(void)
 {
 	int buffer_bytes;
 	if (!prof_on)